Page 2 - System HA#141507070121

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8 Five particles of mass = 2 kg are attached to the rim of a circular disc of radius 0.1 m and
negligible
mass. Moment of inertia of the system about the axis passing through the centre of the disc and

perpendicular to its plane is (a) 1 kg m2 (b) 0.1 kg m2 (c) 2 kg m2 (d) 0.2 kg m2

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Define centre of mass of a rigid body. Explain with one example.
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State and explain Principle of Moment
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State and prove perpendicular axes theorem of M.I..
14
Derive the expression for work done by the torque on a body.
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Derive the rotational KE of a body.